Description

3-Methyl-5-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Pyridine is a high-value, organoboron building block essential for modern synthetic chemistry. This compound matters because it serves as a critical intermediate in cross-coupling reactions, enabling the efficient construction of complex molecular architectures. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for creating novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Key building block in Suzuki-Miyaura cross-coupling reactions for synthesizing novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides requiring complex pyridine-based structures.
• Material Science Research: Employed in the creation of organic electronic materials, such as ligands for OLEDs and conductive polymers.
• Chemical Biology & Proteomics: Acts as a versatile handle for bioconjugation and the synthesis of molecular probes and imaging agents.
• Catalyst & Ligand Development: Serves as a precursor for synthesizing novel catalysts and chiral ligands used in asymmetric synthesis.
• Academic & Contract Research: A fundamental reagent for methodology development and complex molecule synthesis in academic and CRO laboratories.

Basic Information

Product Name	3-Methyl-5-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Pyridine
CAS No.	1171891-42-1
Molecular Formula	C13H20BNO2
Molecular Weight	233.11 g/mol
Synonyms	5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-3-methylpyridine; 3-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine; 3-Methylpyridine-5-boronic acid pinacol ester; 5-(3-Methylpyridyl)boronic acid pinacol ester; 3-Methyl-5-pyridylboronic acid pinacol ester; 3-Methyl-5-boronopyridine pinacol ester; 1171891-42-1
EINECS	Contact for details

Quality Control

Our 3-Methyl-5-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Pyridine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). The compound is moisture-sensitive (hygroscopic); keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.